Now recovered, Roberts, 53, is working tirelessly to recruit potential bone marrow donors, particularly in the African-American community, and to support research that could help patients suffering from blood cancers like the one that threatened her life. The PSAs are a joint effort between Be the Match and Stand Up to Cancer.

"I Beat Cancer. Twice," reads one PSA that features Roberts gazing out with her arms crossed. The announcement then explains that, "ancestry is important when matching marrow donors to patients" and "you're more likely to match someone of your own racial or ethnic background."

The other PSA features Roberts in a similar pose with the headline, "Focus on the Fight. Not the Fright."

Roberts seemed to take that advice during her prolonged cancer fight. Her positive outlook has inspired many others, including fellow anchor Amy Robach, who are battling cancer and other illnesses.

"At this moment I am at peace and filled with joy and gratitude," Roberts wrote in a year-end Facebook post that also publicly acknowledged her longtime girlfriend, Amber Laign, for the first time. "I am grateful for the many prayers and well wishes for my recovery. I return every one of them to you 100 fold."

Anyone looking to support Be the Match or to join their bone marrow registry can click here or call (800) 507-5427.